Home / 3,606.45-5,410.21-1,140.47

Finding the Fourth Proportional to 3,606.45, 5,410.21 and 1,140.47

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Solution

The fourth proportional to 3,606.45, 5,410.21 and 1,140.47 is: 1,710.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.45 : 5,410.21 = 1,140.47 : x
  2. Step 2: Convert to fraction form
    3,606.45/5,410.21 = 1,140.47/x
  3. Step 3: Cross multiply
    3,606.45x = 5,410.21 × 1,140.47
  4. Step 4: Simplify right side
    3,606.45x = 6,170,182.20
  5. Step 5: Solve for x
    x = 6,170,182.20/3,606.45
  6. Step 6: Final answer
    x = 1,710.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.